![]() ![]() The difference here is that diffraction (causing a corona) is the bending of light around the water/ice crystals, where as the refraction (causing a halo) of light is the change in direction, and quality of light, through the water or ice crystals.Ī corona consists of several repeating sequences of colors, or rings, around the sun (or moon). ![]() It is also different than Halos which are formed by refraction of light through larger ice crystals. It is different to the brocken spectre as it occurs at the light source, not in the opposing sky. I’m still unsure of why this particular brocken spectre had a double set of rings with the outer most rings being absolutely gigantic yet my shadows projection within the centre rings being quite small – I suspect its a combination of phenomena.Ī solar corona at Panther Falls shot at f22, iso100, 1/1000 of a second, Banff National Park, AB, CanadaĪ corona is an optical phenomenon that comes about through diffraction of sunlight (or moonlight) around small water droplets or tiny ice crystals. The image received an honorable mention in The Windland Smith Rice Awards in 2015. Continuing on toward the top of this peak it turned out just the final 10 metres, the summit block, was above cloud and I was greeted with this heart pounding sight. I had reached the remote summit of Mt Sirius in The Western Arthurs in Tasmania which had been covered in cloud the whole day. The photo above actually kick started my craze with interesting atmospheric phenomena. This is quite rare and something that wont be forgotten quickly. Your shadow can appear to move because of the movement of the cloud layers and your depth perception is thrown off due to the shadow falling on water droplets that are at varying distances from the eye, sometimes magnifying your shadows size. It can be quite spooky in nature due to the optical illusions accompanying it. The name Brocken comes from the Harz Mountains in Germany, of which Brocken is the highest peak, and where it was written into local legend. It’s often seen high up in the mountains during misty conditions where the observer can look down onto the mist. It’s characterized by coloured circular rings with the persons shadow which has been magnified in the centre of them. There are many more so I will update and expand on the information in the future as well as get into some of the night time optical phenomena too.Ī Brocken Spectre in the Western Arthur Mountain Range, Southwest National Park, Tasmania, AustraliaĪ Brocken Spectre (also known as a ‘glory’, ‘mountain spectre’, or ‘anticorona’) is where the shadow of the observer is projected out by the sun onto the clouds in the opposite direction. Some of the optical phenomena that I will explain in further detail below include brocken spectres, coronas, iridescence, halos, rainbows, crepuscular & anti crepuscular rays, as well as the earth shadow and its accompanying belt of venus. Knowing when and where they are likely to occur and under what weather conditions can inform your decisions as a landscape photographer going forward. This study of the science & the mystery can give you an extra layer of appreciation of what you have been lucky enough to see and enable you to be more ready for these events in future. In nearly every case I’ve had no idea what it was until putting in some research later. Witnessing these small moments of magic are some of the most memorable experiences that you can have and they are often over before you can even get your camera out in time! Knowing about, and photographing them, can put a unique spin on your landscape photography, taking it to the next level. Optical phenomena and rare lighting effects are some of the coolest things to photograph in the natural world. ![]()
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